Online, or hard-copy purchased, good photo and fine art magazines are great resources. Listed below are some of the best available. 

Lenswork - fine art photography at its finest...written and photo essays, audio blogs and opportunities to submit your essays for publication

Apogee Photo - the Internet's Photo Magazine

Outdoor Photographer

Shots Magazine

View Camera - magazine for large format cameras

Zone Zero - online international magazine/books/portfolios/essays

Blind Spot - modern photography

Pixels and Prose

Handheld Magazine

Check out Barbara's Blog [updated]

[Blog: short for web log; a web journal with news and chatter. Often provides for reader responses.]